China Cheap price Solvent Resistance Curing System - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV
China Cheap price Solvent Resistance Curing System - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV Detail:
Donfoam 812 HCFC-141B base blend polyols for block foam
INTRODUCTION
Donfoam 812 blend polyether polyols used for produce PUR block foam. The foam has uniform cell , low thermal conductivity, thermal insulation performance is good, flame retardant performance is good, low temperature no shrinking crack etc.
Widely used in the process of all kinds of insulation work such as: building external wall, cold storage, tanks, large pipes etc.
PHYSICAL PROPERTY
| Appearance
Dynamic viscosity （25℃） mPa.S Density （20℃） g/ml Storage temperature ℃ Storage stability month |
Light yellow to brown transparent liquid 250±50 1.17±0.1 10-25 6 |
RECOMMENDED RATIO
| Items |
PBW |
| Blend Polyether Polyol
Isocyanate |
100 130 |
TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)
|
Manual Mixing |
|
| Raw Material Temperature ℃
Mould Temperature ℃ CT s GT s TFT s Free Density kg/m3 |
20-25 Ambient Temperature(15-45℃ ) 35-60 140-180 240-260 26-28 |
FOAM PERFORMANCES
|
Item |
Test Standard |
Specification |
| Overall Molding Density
Molding Core Density |
GB 6343 |
40-45kg/m3 38-42kg/m |
| Closed-cell Rate |
GB 10799 |
≥90% |
| Initial Thermal Conductivity（15℃） |
GB 3399 |
≤24mW/(m.K) |
| Compressive Strength |
GB/T8813 |
≥150kPa |
| Dimensional Stability
24h -20℃ RH90 70℃ |
GB/T8811 |
≤1% ≤1.5% |
| Water Absorption Rate |
GB 8810 |
≤3% |
| Flammability |
ASTM E84 |
Class A |
Product detail pictures:
Related Product Guide:
The client satisfaction is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and service for China Cheap price Solvent Resistance Curing System - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Oslo, Maldives, Ethiopia, Based on our guiding principle of quality is the key to development, we continually strive to exceed our customers' expectations. As such, we sincerely invite all interested companies to contact us for future cooperation, We welcome old and new customers to hold hands together for exploring and developing; For more information, please feel free to contact us. Thanks. Advanced equipment, strict quality control, customer-orientation service, initiative summary and improvement of defects and extensive industry experience enable us to guarantee more customer satisfaction and reputation which, in return, brings us more orders and benefits. If you are interested in any of our products, please feel free to contact us. Inquiry or visit to our company are warmly welcome. We sincerely hope to start a win-win and friendly partnership with you. You can see more details in our website.
By Sara from South Korea - 2018.09.29 17:23
Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
By Nora from Botswana - 2017.02.18 15:54
